1# 2# kbuild file for firmware/ 3# 4 5# Create $(fwabs) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a 6# leading /, it's relative to $(srctree). 7fwdir := $(subst ",,$(CONFIG_EXTRA_FIRMWARE_DIR)) 8fwabs := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir)) 9 10fw-external-y := $(subst ",,$(CONFIG_EXTRA_FIRMWARE)) 11 12# There are three cases to care about: 13# 1. Building kernel with CONFIG_FIRMWARE_IN_KERNEL=y -- $(fw-shipped-y) should 14# include the firmware files to include, according to .config 15# 2. 'make modules_install', which will install firmware for modules, and 16# _also_ for the in-kernel drivers when CONFIG_FIRMWARE_IN_KERNEL=n 17# 3. 'make firmware_install', which installs all firmware, unconditionally. 18 19# For the former two cases we want $(fw-shipped-y) and $(fw-shipped-m) to be 20# accurate. In the latter case it doesn't matter -- it'll use $(fw-shipped-all). 21# But be aware that the config file might not be included at all. 22 23ifdef CONFIG_ACENIC_OMIT_TIGON_I 24acenic-objs := acenic/tg2.bin 25fw-shipped- += acenic/tg1.bin 26else 27acenic-objs := acenic/tg1.bin acenic/tg2.bin 28endif 29fw-shipped-$(CONFIG_ACENIC) += $(acenic-objs) 30fw-shipped-$(CONFIG_ADAPTEC_STARFIRE) += adaptec/starfire_rx.bin \ 31 adaptec/starfire_tx.bin 32fw-shipped-$(CONFIG_ATARI_DSP56K) += dsp56k/bootstrap.bin 33fw-shipped-$(CONFIG_ATM_AMBASSADOR) += atmsar11.fw 34fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin 35fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin 36fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \ 37 cxgb3/t3c_psram-1.1.0.bin \ 38 cxgb3/t3fw-7.0.0.bin 39fw-shipped-$(CONFIG_DVB_TTUSB_BUDGET) += ttusb-budget/dspbootcode.bin 40fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \ 41 e100/d102e_ucode.bin 42fw-shipped-$(CONFIG_SMCTR) += tr_smctr.bin 43fw-shipped-$(CONFIG_SND_KORG1212) += korg/k1212.dsp 44fw-shipped-$(CONFIG_SND_MAESTRO3) += ess/maestro3_assp_kernel.fw \ 45 ess/maestro3_assp_minisrc.fw 46fw-shipped-$(CONFIG_SND_SB16_CSP) += sb16/mulaw_main.csp sb16/alaw_main.csp \ 47 sb16/ima_adpcm_init.csp \ 48 sb16/ima_adpcm_playback.csp \ 49 sb16/ima_adpcm_capture.csp 50fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \ 51 yamaha/ds1e_ctrl.fw 52fw-shipped-$(CONFIG_TIGON3) += tigon/tg3.bin tigon/tg3_tso.bin \ 53 tigon/tg3_tso5.bin 54fw-shipped-$(CONFIG_USB_DABUSB) += dabusb/firmware.fw dabusb/bitstream.bin 55fw-shipped-$(CONFIG_USB_EMI26) += emi26/loader.fw emi26/firmware.fw \ 56 emi26/bitstream.fw 57fw-shipped-$(CONFIG_USB_EMI62) += emi62/loader.fw emi62/bitstream.fw \ 58 emi62/spdif.fw emi62/midi.fw 59fw-shipped-$(CONFIG_USB_KAWETH) += kaweth/new_code.bin kaweth/trigger_code.bin \ 60 kaweth/new_code_fix.bin \ 61 kaweth/trigger_code_fix.bin 62ifdef CONFIG_FIRMWARE_IN_KERNEL 63fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_MPR) += keyspan/mpr.fw 64fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA18X) += keyspan/usa18x.fw 65fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19) += keyspan/usa19.fw 66fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QI) += keyspan/usa19qi.fw 67fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19QW) += keyspan/usa19qw.fw 68fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA19W) += keyspan/usa19w.fw 69fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28) += keyspan/usa28.fw 70fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XA) += keyspan/usa28xa.fw 71fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28XB) += keyspan/usa28xb.fw 72fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA28X) += keyspan/usa28x.fw 73fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49W) += keyspan/usa49w.fw 74fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_USA49WLC) += keyspan/usa49wlc.fw 75else 76fw-shipped- += keyspan/mpr.fw keyspan/usa18x.fw keyspan/usa19.fw \ 77 keyspan/usa19qi.fw keyspan/usa19qw.fw keyspan/usa19w.fw \ 78 keyspan/usa28.fw keyspan/usa28xa.fw keyspan/usa28xb.fw \ 79 keyspan/usa28x.fw keyspan/usa49w.fw keyspan/usa49wlc.fw 80endif 81fw-shipped-$(CONFIG_USB_SERIAL_TI) += ti_3410.fw ti_5052.fw \ 82 mts_cdma.fw mts_gsm.fw mts_edge.fw 83fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT) += edgeport/boot.fw edgeport/boot2.fw \ 84 edgeport/down.fw edgeport/down2.fw 85fw-shipped-$(CONFIG_USB_SERIAL_EDGEPORT_TI) += edgeport/down3.bin 86fw-shipped-$(CONFIG_USB_SERIAL_WHITEHEAT) += whiteheat_loader.fw whiteheat.fw \ 87 # whiteheat_loader_debug.fw 88fw-shipped-$(CONFIG_USB_SERIAL_KEYSPAN_PDA) += keyspan_pda/keyspan_pda.fw 89fw-shipped-$(CONFIG_USB_SERIAL_XIRCOM) += keyspan_pda/xircom_pgs.fw 90fw-shipped-$(CONFIG_USB_VICAM) += vicam/firmware.fw 91fw-shipped-$(CONFIG_VIDEO_CPIA2) += cpia2/stv0672_vp4.bin 92 93fw-shipped-all := $(fw-shipped-y) $(fw-shipped-m) $(fw-shipped-) 94 95# Directories which we _might_ need to create, so we have a rule for them. 96firmware-dirs := $(sort $(patsubst %,$(objtree)/$(obj)/%/,$(dir $(fw-external-y) $(fw-shipped-all)))) 97 98quiet_cmd_mkdir = MKDIR $(patsubst $(objtree)/%,%,$@) 99 cmd_mkdir = mkdir -p $@ 100 101quiet_cmd_ihex = IHEX $@ 102 cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@ 103 104quiet_cmd_ihex2fw = IHEX2FW $@ 105 cmd_ihex2fw = $(objtree)/scripts/ihex2fw $< $@ 106 107quiet_cmd_h16tofw = H16TOFW $@ 108 cmd_h16tofw = $(objtree)/scripts/ihex2fw -w $< $@ 109 110quiet_cmd_fwbin = MK_FW $@ 111 cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \ 112 FWSTR="$(subst /,_,$(subst .,_,$(subst -,_,$(patsubst \ 113 firmware/%.gen.S,%,$@))))"; \ 114 ASM_WORD=$(if $(CONFIG_64BIT),.quad,.long); \ 115 ASM_ALIGN=$(if $(CONFIG_64BIT),3,2); \ 116 PROGBITS=$(if $(CONFIG_ARM),%,@)progbits; \ 117 echo "/* Generated by firmware/Makefile */" > $@;\ 118 echo " .section .rodata" >>$@;\ 119 echo " .p2align $${ASM_ALIGN}" >>$@;\ 120 echo "_fw_$${FWSTR}_bin:" >>$@;\ 121 echo " .incbin \"$(2)\"" >>$@;\ 122 echo "_fw_end:" >>$@;\ 123 echo " .section .rodata.str,\"aMS\",$${PROGBITS},1" >>$@;\ 124 echo " .p2align $${ASM_ALIGN}" >>$@;\ 125 echo "_fw_$${FWSTR}_name:" >>$@;\ 126 echo " .string \"$$FWNAME\"" >>$@;\ 127 echo " .section .builtin_fw,\"a\",$${PROGBITS}" >>$@;\ 128 echo " .p2align $${ASM_ALIGN}" >>$@;\ 129 echo " $${ASM_WORD} _fw_$${FWSTR}_name" >>$@;\ 130 echo " $${ASM_WORD} _fw_$${FWSTR}_bin" >>$@;\ 131 echo " $${ASM_WORD} _fw_end - _fw_$${FWSTR}_bin" >>$@; 132 133# One of these files will change, or come into existence, whenever 134# the configuration changes between 32-bit and 64-bit. The .S files 135# need to change when that happens. 136wordsize_deps := $(wildcard include/config/64bit.h include/config/32bit.h \ 137 include/config/ppc32.h include/config/ppc64.h \ 138 include/config/superh32.h include/config/superh64.h \ 139 include/config/x86_32.h include/config/x86_64.h) 140 141# Workaround for make < 3.81, where .SECONDEXPANSION doesn't work. 142# It'll end up depending on these targets, so make them a PHONY rule which 143# depends on _all_ the directories in $(firmware-dirs), and it'll work out OK. 144PHONY += $(objtree)/$$(%) $(objtree)/$(obj)/$$(%) 145$(objtree)/$$(%) $(objtree)/$(obj)/$$(%): $(firmware-dirs) 146 @true 147 148# For the $$(dir %) trick, where we need % to be expanded first. 149.SECONDEXPANSION: 150 151$(patsubst %,$(obj)/%.gen.S, $(fw-shipped-y)): %: $(wordsize_deps) \ 152 | $(objtree)/$$(dir %) 153 $(call cmd,fwbin,$(patsubst %.gen.S,%,$@)) 154$(patsubst %,$(obj)/%.gen.S, $(fw-external-y)): %: $(wordsize_deps) \ 155 include/config/extra/firmware/dir.h | $(objtree)/$$(dir %) 156 $(call cmd,fwbin,$(fwabs)/$(patsubst $(obj)/%.gen.S,%,$@)) 157 158# The .o files depend on the binaries directly; the .S files don't. 159$(patsubst %,$(obj)/%.gen.o, $(fw-shipped-y)): %.gen.o: % 160$(patsubst %,$(obj)/%.gen.o, $(fw-external-y)): $(obj)/%.gen.o: $(fwdir)/% 161 162# .ihex is used just as a simple way to hold binary files in a source tree 163# where binaries are frowned upon. They are directly converted with objcopy. 164$(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %) 165 $(call cmd,ihex) 166 167# .HEX is also Intel HEX, but where the offset and length in each record 168# is actually meaningful, because the firmware has to be loaded in a certain 169# order rather than as a single binary blob. Thus, we convert them into our 170# more compact binary representation of ihex records (<linux/ihex.h>) 171$(obj)/%.fw: $(obj)/%.HEX | $(objtree)/$(obj)/$$(dir %) 172 $(call cmd,ihex2fw) 173 174# .H16 is our own modified form of Intel HEX, with 16-bit length for records. 175$(obj)/%.fw: $(obj)/%.H16 | $(objtree)/$(obj)/$$(dir %) 176 $(call cmd,h16tofw) 177 178$(firmware-dirs): 179 $(call cmd,mkdir) 180 181obj-y += $(patsubst %,%.gen.o, $(fw-external-y)) 182obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y)) 183 184# Remove .S files and binaries created from ihex 185# (during 'make clean' .config isn't included so they're all in $(fw-shipped-)) 186targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \ 187 $(shell find $(obj) -name \*.gen.S 2>/dev/null)) 188 189# Without this, built-in.o won't be created when it's empty, and the 190# final vmlinux link will fail. 191obj-n := dummy 192